1991901870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{3161749}}^1$

素因数の和:3161769

約数の個数: 48

約数和(自身を含む): 5918796000

約数和(自身を除く): 3926894130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 3161749, 6323498, 9485247, 15808745, 18970494, 22132243, 28455741, 31617490, 44264486, 47426235, 56911482, 66396729, 94852470, 110661215, 132793458, 142278705, 199190187, 221322430, 284557410, 331983645, 398380374, 663967290, 995950935, 1991901870]

約数ペア:

[(1, 1991901870), (2, 995950935), (3, 663967290), (5, 398380374), (6, 331983645), (7, 284557410), (9, 221322430), (10, 199190187), (14, 142278705), (15, 132793458), (18, 110661215), (21, 94852470), (30, 66396729), (35, 56911482), (42, 47426235), (45, 44264486), (63, 31617490), (70, 28455741), (90, 22132243), (105, 18970494), (126, 15808745), (210, 9485247), (315, 6323498), (630, 3161749)]